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Old 09-18-2008, 06:54 AM
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Radiator Expansion Tank - VENT TUBE

My radiator expansion tank came in yesterday but the instructions aren't very helpful... or It might just be me . Anyhow, i do not understand where or how I'm suppose to route the vent tube.....

Here are the instructions that came with the tank:



And if I'm not mistaken this is how i think the vent tube should be routed... Along the side of the tank somehow, and above the water line. TRUE ?




It fits nicely:

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Old 09-18-2008, 08:30 AM
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radiator vent

That looks right to me!
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Old 09-18-2008, 08:38 AM
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Cool !... i knew i was probably thinking to hard about it... Just didn't seem right when i pulled it out of the box.
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Old 09-18-2008, 08:39 AM
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Without knowing exactally how the tank is made, i'd have to assume that the "vent" pipe on the bottom extends inside up close to the top. If it was at the bottom, it would push coolant out all the time.
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Old 09-18-2008, 08:50 AM
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Quote:
Originally Posted by Jmark
Without knowing exactally how the tank is made, i'd have to assume that the "vent" pipe on the bottom extends inside up close to the top. If it was at the bottom, it would push coolant out all the time.
Yep, that's how it is set up (I have the same puke tank). You don't really need a hose on the vent tube unless you want to route the potential puke away from the area below your tank. The vent tube not only allows air out of the tank as it fills up, but is also the "overflow" if the tank fills to the top.
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Old 09-18-2008, 08:54 AM
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Quote:
Originally Posted by XNTRCI-T
Yep, that's how it is set up (I have the same puke tank). You don't really need a hose on the vent tube unless you want to route the potential puke away from the area below your tank. The vent tube not only allows air out of the tank as it fills up, but is also the "overflow" if the tank fills to the top.

JMARK, yes both tubes are flush inside... That's why I couldn't figure out how the heck to prevent it from spilling out.

XNTRCI-T, so did you just plug the vent tube? How's that worked for you since there is no way for the pressure to escape?
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Old 09-18-2008, 08:59 AM
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Your vent tube is flush with the BOTTOM of the tank? If that is the case, you have a bad part. The vent tube should come almost to the top of the tank, like the overflow tube in a toilet tank.

On my tank, I just left the vent tube as is. If the tank overflows, the coolant will just dribble straight down to the ground.
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Old 09-18-2008, 09:06 AM
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Quote:
Originally Posted by XNTRCI-T
Your vent tube is flush with the BOTTOM of the tank? If that is the case, you have a bad part. The vent tube should come almost to the top of the tank, like the overflow tube in a toilet tank.

On my tank, I just left the vent tube as is. If the tank overflows, the coolant will just dribble straight down to the ground.


Yes both tubes are flush.... I'm gonna run home during lunch and swap it out if that's the case. I knew it didn't look right !!
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Old 09-18-2008, 09:12 AM
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Ooops, in re-reading my response to Jmark, I see it wasn't clear what I was confirming. I was confirming Jmark's comment... "i'd have to assume that the "vent" pipe on the bottom extends inside up close to the top."
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Old 09-18-2008, 03:22 PM
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Went home during lunch and took the tank back to the shop where I bought it. They called the manufacturer while I was there and explained to them the problem. I got a new tank with the correct tubing, plus they offered to refund me half of the cost for the "trouble".
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Old 09-18-2008, 06:58 PM
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If I understand correctly, they swapped the bad tank for a good one, AND offered a refund of 1/2 of the cost?
If so, I'd be interested in who made such a generous offer.
JA
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Old 09-18-2008, 07:18 PM
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Quote:
Originally Posted by johnnya
If I understand correctly, they swapped the bad tank for a good one, AND offered a refund of 1/2 of the cost?
If so, I'd be interested in who made such a generous offer.
JA
what part of Texas are you from ?
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Old 09-18-2008, 08:16 PM
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Cedar Hill, 15 miles southwest of Dallas.
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